birrus [n.]
| sing. | birrus |
| plur. | birri |
Outras palavras (mesmo modelo) :
tribulus jumping cactus isospondylus diplococcus beatus Koch's bacillus propositus rectus vagus alumnus rhonchus subsulcus peroneus gladius staphylococcus gonococcus paracephalus calathus mundungus daughter nucleus ... (351 words)